Data Analysis Quiz

What is the range of the dot plot?

• 9
• 5
• 4
• 6

What is the median of the box plot?

• 20
• 25
• 30
• 18

What is the range of the box plot?

• 54
• 25
• 30
• 18

How many families were sampled?

• 19
• 21
• 7
• 6

Find the mean.
90, 100, 95, 85, 60, 80

• 85
• 84
• 86
• 90

How many people have more than four books in their desk?

• 7

• 12

• 6

• 8

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Are these dot plots symmetric?

• Yes
• No

A recent survey of 800 seventh graders from across the state shows 4 out of 10 like to play paper football. How many students said they like to play paper football?

• 40 students
• 200 students 
• 320 students
• 8,000 students